Finding the Fourth Proportional to 831,760.05, 1,246,771.74 and 603,504.21
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Solution
The fourth proportional to 831,760.05, 1,246,771.74 and 603,504.21 is: 904,626.27
Step by Step Solution
- Step 1: Write the proportion equation
831,760.05 : 1,246,771.74 = 603,504.21 : x - Step 2: Convert to fraction form
831,760.05/1,246,771.74 = 603,504.21/x - Step 3: Cross multiply
831,760.05x = 1,246,771.74 × 603,504.21 - Step 4: Simplify right side
831,760.05x = 752,431,993,999.03 - Step 5: Solve for x
x = 752,431,993,999.03/831,760.05 - Step 6: Final answer
x = 904,626.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.